ZIP Code 17121: Harrisburg, PA
Harrisburg in Dauphin County, Pennsylvania uses ZIP code 17121. Its reference point is at latitude 40.2944 and longitude -76.8938 (40°17'39.8"N 76°53'37.7"W).
Location Overview of ZIP Code 17121
Harrisburg has 26 ZIP codes in our directory, and Dauphin County has 41.
Pennsylvania has 2,250 ZIP codes listed in total.
The nearest listed ZIP code is 17110 in Harrisburg, about 0.7 mi to the northeast.
| ZIP code | 17121 |
|---|---|
| Place | Harrisburg |
| County | Dauphin County |
| State | Pennsylvania |
| Country | United States |
| Latitude | 40.2944 |
| Longitude | -76.8938 |
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Map of ZIP Code 17121
Map centred on 40.2944, -76.8938. The pin marks the ZIP code's reference point, not its boundary.
Photos of Harrisburg, Pennsylvania
Video: Harrisburg, Pennsylvania
Top 10 Best Things to Do in Harrisburg, Pennsylvania - Travel Guide 2025 — by DoTravel · Watch on YouTube
ZIP Codes Near 17121
These 16 ZIP codes have the closest reference points to 17121, measured in a straight line.
Nearby Cities and Towns
The closest places to ZIP code 17121, measured in a straight line from its reference point. Road distances will be longer.
- Summerdale – 2.2 mi northwest
- Enola – 2.6 mi west
- Lemoyne – 3.3 mi south
- Marysville – 5.0 mi northwest
- New Cumberland – 5.6 mi south
- Dauphin – 6.5 mi north
- Highspire – 8.3 mi southeast
- Mechanicsburg – 9.4 mi southwest
- Hummelstown – 9.8 mi east
- Bowmansdale – 9.9 mi southwest
- Lewisberry – 10 mi south
- Middletown – 11 mi southeast
Schools Near Harrisburg
School places are usually allocated by home address, so families living around ZIP code 17121 should confirm their catchment school with the local education authority for Harrisburg, Dauphin County.
Looking at nearby areas such as Summerdale, Enola and Lemoyne widens the choice of state, private and international schools. The links below open live Google Maps results centred on this location.
Parks and Outdoor Recreation
Parks, playgrounds and walking trails around Harrisburg are easiest to find on the map above or with the searches below, which are centred on ZIP code 17121.
Hospitals and Healthcare
Hospitals, clinics and pharmacies serving Harrisburg can be found with the searches below. In an emergency in the United States, call 911.
Residents may also use facilities in nearby Summerdale, Enola and Lemoyne.
Shopping and Dining in Harrisburg
Restaurants, supermarkets and shopping centres in and around Harrisburg are listed in the Google Maps searches below, with current opening hours and reviews.
Libraries and Historical Places
Public libraries, museums and historic sites near Harrisburg, Pennsylvania can be found with the searches below.
For local history, try the archives of Dauphin County along with the name Harrisburg.
Roads, Rivers and Lakes
From ZIP code 17121, Summerdale lies about 2.2 mi to the northwest, Enola lies about 2.6 mi to the west, Lemoyne lies about 3.3 mi to the south, Marysville lies about 5.0 mi to the northwest and New Cumberland lies about 5.6 mi to the south in a straight line. Use the directions link for routes and road names.
Rivers, lakes and coastline near Harrisburg show up on the map above, or you can search for them directly.
Frequently Asked Questions About ZIP Code 17121
Photo & Video Credits
- Photo 1 (“Rambo USCH”): US Government, Public domain, via Wikimedia Commons.
- Photo 2 (“Parson John Elder House”): Penndyl, CC BY-SA 4.0, via Wikimedia Commons.
- Photo 3 (“Sclerotinia sclerotiorum (Pennsylvania, USA) 1”): billyd, CC BY-SA 4.0, via Wikimedia Commons.
- Photo 4 (“Heroes Grove Design”): HE Black, CC BY-SA 4.0, via Wikimedia Commons.
- Photo 5 (“Sclerotinia sclerotiorum (Pennsylvania, USA) 2”): billyd, CC BY-SA 4.0, via Wikimedia Commons.
- Video: “Top 10 Best Things to Do in Harrisburg, Pennsylvania - Travel Guide 2025” by DoTravel, embedded from YouTube. All rights belong to the creator.
Photos are shown from their original source under the licenses listed. They were taken near this location and may show neighbouring areas.
Data for ZIP code 17121 comes from GeoNames and is provided for general reference. Always confirm mailing details with the U.S. Postal Service (USPS).